Table 1.  Mean (ąSD) capillary blood pH, Bicarbonate (HCO3), haematocrit (Hct), haemoglobin (Hb), Sodium (Na+) and Potassium (K+) in response to on-court conditioning drills in the heat with and without pre-cooling.
Measure
Condition
Pre
Post
pH (au)
Cooling
Control
7.43 (.04)
7.42 (.04)
7.32 (.04)
7.31 (.04)
HCO3 (mmol.L-1)
Cooling
Control
23.7 (2.5)
24.1 (2.3)
12.7 (1.9)
13.1 (2.3)
Hct (%)
Cooling
Control
.49 (.03)
.48 (.04)
.48 (.06)
.50 (.04)
Hb (g.mL-1)
Cooling
Control
16.5 (.9)
16.3 (1.2)
16.3 (1.9)
17.1 (1.2)
Na+ (mmol.L-1)
Cooling
Control
143 (2)
143 (2)
148 (2)
147 (2)
K+ (mmol.L-1)
Cooling
Control
3.8 (.4 )
4.0 (.5)
4.0 (.5)
4.6 (.6)
No significant difference between conditions for any measure (p > 0.05)